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Since the Linux kernel 2.6.20 release in February 2007, the Kernel-Based Virtual Machine, KVM [1], has made much progress in its mission to oust other virtualization solutions from the market. KVM

of 1,000Hz. On each tick, the kernel wakes up the processor and checks for any work to do. This approach obviously limits power savings. Starting with kernel 2.6.21, however, regular ticks are gone ... 3

in the Ubuntu 11.x and Debian 6.x package sources. You can also opt for the host-based IDS OSSEC by Trend Micro [3]. If the Prelude Manager is running on a remote server, the rule-based Prelude Correlator

. Current enterprise solutions for the virtualization of servers and desktops [3] are all based on KVM. Setup and Software The example discussed in this article uses two physical nodes: host1 and host2

&1, for example, will be familiar with the software under the name of 1&1 Webmail and 1&1 MailXchange. On top of the 2.5 million 1&1 customers, another 1.4 million users with Host Europe, and 40,000 root and v ... The latest developments in Open-Xchange 6.20

, RequestTracker (RT) [6] is definitely on the low end, although it does have a better "look and feel" than OTRS and some other tools (Figure 3). I would categorize it as low to mid-range, because it provides

filesystem (AFS) is another network filesystem that is available in a free implementation, OpenAFS [3]. On the other hand are cluster filesystems. Before computers can access "distributed" data, they first ... The vanilla kernel includes two cluster filesystems: OCFS2 has been around since 2.6.16 and is thus senior to GFS2. Although OCFS2 is non-trivial under the hood, it is fairly simple to deploy.

businesses might also be interested in the POP3 connector in ASSP. This feature lets you pick up email from various POP3 servers, scan the messages for viruses and spam, and then forward the results

(Figure 6). Figure 6: Registered attacks on various ports of production systems at the University of Bonn courtesy of HoneypotMe. All told, some 3

of 480Kbps, which calls for a 512Kbps line. Assuming a line rental of EUR 30 (US$ 35-40), the basic rate for the marketer would be 0.004 cents per call. In other words, 5,000 VoIP calls costs the same